Perhaps you should try some spelling variations:
chieu tinh » lieu tinh, chau tinh, kieu tinh
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cua dung » cua dang, cua dong, qua dung
trong ty » trong ky, trong ly, trong tu
toan cao » toan ban, toan tap
ty toan » ly toan, tap toan, huy toan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((chieu tinh) or (trieu tinh)) - hanh trinh cua dung trong ty toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((chieu tinh) OR (trieu tinh)) - hanh trinh cua dung trong ty toan cao*.